@media only screen and (min-width: 751px) {
  .pc {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    min-width: 1024px;
    z-index: 1000;
    background-color: #fff;
  }

  .pc .header-top {
    display: flex;
    width: 1024px;
    justify-content: space-between;
    margin: 0 calc(50% - 512px);
  }

  .pc .header-top .head_left {
    display: flex;
    align-items: center;
  }
  .pc .header-top .head_left img {
    width: 36px;
    height: 36px;
    margin-right: 16px;
  }
  .pc .header-top .head_left h1 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
  }

  .pc .header-top .head_middle {
    display: flex;
    justify-content: space-between;
  }
  .pc .header-top .head_middle .title:hover {
    color: #2e73fa;
  }
  .pc .header-top .head_middle ul {
    display: flex;
    align-items: center;
  }
  .pc .header-top .head_middle ul li {
    cursor: pointer;
    line-height: 60px;
    padding: 0 20px;
    font-size: 14px;
  }
  .pc .header-top .head_right {
    display: flex;
    line-height: 24px;
    align-items: center;
    font-size: 14px;
    margin-left: 100px;
    color: #2e73fa;
  }
  .pc .header-top .head_right img {
    width: 25px;
    height: 24px;
    margin-right: 8px;
  }

  .mobile {
    display: none !important;
    touch-action: auto !important;
  }

  .home {
    width: 100%;
    text-align: center;
    min-width: 855px;
  }
  .homeBg {
    width: 100%;
    position: relative;
    min-height: 544px;
    background-image: url("../img/bg.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
  }
  .mhomeBg {
    display: none !important;
  }
  .home_center {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
  }
  .center_rx {
    width: 1024px;
    margin-bottom: 20px;
  }
  .center_rx .rx_title {
    display: flex;
    justify-content: center;
  }
  .center_rx .rx_title .title {
    line-height: 40px;
    font-size: 28px;
    margin: 60px 0;
    font-weight: 600;
    color: rgb(44, 62, 80);
  }
  .center_rx .rx_title .title::before {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_left.png");
    background-size: cover;
    margin-right: 24px;
  }
  .center_rx .rx_title .title::after {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_right.png");
    background-size: cover;
    margin-left: 24px;
  }

  .rx_bottom {
    display: flex;
  }

  .rx_left {
    flex: 1;
  }
  .rx_bottom .rx_left .item {
    width: 367px;
    height: 90px;
    border-radius: 8px;
    line-height: 90px;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #666;
    cursor: pointer;
  }
  .rx_bottom .rx_left .active {
    background-color: #4d9cfe;
    color: #fff;
  }
  .rx_bottom .rx_left .item span {
    font-size: 32px;
    font-weight: 700;
  }
  .rx_bottom .rx_left .item h3 {
    display: inline-block;
    width: 190px;
    font-size: 18px;
    font-weight: 700;
    margin: 0 42px 0 16px;
    text-align: left;
  }
  .rx_bottom .rx_left .item i {
    width: 32px;
    height: 32px;
    background-image: url("../img/nav_right.png");
    background-size: cover;
  }
  .rx_bottom .rx_left .item .none {
    width: 13px;
    height: 13px;
    background-image: url("../img/none_right.png");
    background-size: cover;
  }
  .rx_right {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .rx_right_m {
    display: none !important;
  }
  .rx-content {
    text-align: left;
  }
  .rx-content span {
    color: #faad14;
    font-size: 25px;
    font-weight: 700;
  }
  .rx-content p {
    line-height: 24px;
    height: 48px;
    color: #606982;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    line-clamp: 2;
    margin-top: 10;
  }
  .rx_right .details {
    width: 117px;
    height: 36px;
    font-size: 16px;
    line-height: 36px;
    text-align: center;
    background-color: #faad14;
    border-radius: 20px;
    color: #fff;
    margin: 24px 0;
    cursor: pointer;
  }
  .rx_right img {
    width: 520px;
    height: 248px;
  }

  .center_product {
    width: 1024px;
    margin-bottom: 20px;
  }

  .center_product .product_title {
    display: flex;
    justify-content: center;
  }
  .center_product .product_title .title {
    line-height: 40px;
    font-size: 28px;
    margin: 60px 0;
    font-weight: 600;
    color: rgb(44, 62, 80);
  }
  .center_product .product_title .title::before {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_left.png");
    background-size: cover;
    margin-right: 24px;
  }
  .center_product .product_title .title::after {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_right.png");
    background-size: cover;
    margin-left: 24px;
  }

  .product_content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  .product_content .item {
    width: 230px;
    height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    margin-right: 15px;
  }
  .product_content .item img {
    width: 39px;
    height: 36px;
  }
  .product_content .item span {
    color: #333;
    font-size: 16px;
    font-weight: 700;
    margin-top: 12px;
    margin-bottom: 10px;
  }
  .product_content .item p {
    color: #606982;
    line-height: 16px;
    margin: 0 10px;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .center_design {
    width: 1024px;
    margin-bottom: 20px;
  }
  .center_design .design_title {
    display: flex;
    justify-content: center;
  }
  .center_design .design_title .title {
    line-height: 40px;
    font-size: 28px;
    margin: 60px 0;
    font-weight: 600;
    color: rgb(44, 62, 80);
  }
  .center_design .design_title .title::before {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_left.png");
    background-size: cover;
    margin-right: 24px;
  }
  .center_design .design_title .title::after {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_right.png");
    background-size: cover;
    margin-left: 24px;
  }

  .design_content {
    width: 100%;
    height: 530px;
    position: relative;
  }
  .design_content img {
    position: absolute;
    top: 50%;
    left: 50%;
    height: 450px;
    transform: translate(-50%, -50%);
  }

  .center_case {
    width: 1024px;
    margin-bottom: 20px;
  }
  .center_case .case_title {
    display: flex;
    justify-content: center;
  }
  .center_case .case_title .title {
    line-height: 40px;
    font-size: 28px;
    margin: 60px 0;
    font-weight: 600;
    color: rgb(44, 62, 80);
  }
  .center_case .case_title .title::before {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_left.png");
    background-size: cover;
    margin-right: 24px;
  }
  .center_case .case_title .title::after {
    content: "";
    display: inline-block;
    width: 79px;
    height: 18px;
    background-image: url("../img/title_right.png");
    background-size: cover;
    margin-left: 24px;
  }
  .case_content {
    display: flex;
    justify-content: space-between;
  }
  .school {
    width: 315px;
    height: 273px;
    background-color: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 24px 0 rgba(24, 144, 255, 0.1);
  }
  .school .imgClass {
    width: 315px;
    height: 200px;
    overflow: hidden;
  }
  .school .imgClass img {
    width: 100%;
  }

  .case_content .school span {
    display: block;
    color: #333;
    line-height: 25px;
    margin: 24px 0;
    font-size: 18px;
    font-weight: 500;
  }

  .footer_box {
    width: 100%;
    min-width: 1024px;
    background-color: #1b2337;
    display: flex;
    justify-content: center;
    margin-top: 100px;
    border: 1px solid #1b2337;
  }

  .footer_box .banner {
    width: 1024px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-content: space-between;
    color: #fff;
    text-align: left;
    margin-top: 52px;
  }

  .banner .item .title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 22px;
  }
  .banner .item .phone {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 18px;
    color: #1890ff;
  }
  .banner .item .phone::before {
    content: "";
    display: inline-block;
    width: 24px;
    height: 25px;
    background-image: url("../img/call_phone.png");
    background-size: cover;
    vertical-align: middle;
    margin-right: 12px;
  }
  .banner .item a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
  }
  .banner .item .address {
    width: 240px;
    margin-top: 12px;
    font-size: 14px;
    line-height: 20px;
    color: rgba(255, 255, 255, 0.5);
  }

  .rxitem_title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 22px;
  }
  .rxitem {
    font-size: 14px;
    margin: 0;
    color: hsla(0, 0%, 100%, 0.6);
    line-height: 40px;
    cursor: pointer;
  }

  .banner .item img {
    width: 144px;
    height: 144px;
  }

  .item_details {
    width: 1024px;
    height: 60px;
    opacity: 0.5;
    margin-top: 52px;
    border-top: 1px solid hsla(0, 0%, 100%, 0.2);
    color: #fff;
    font-size: 16px;
    line-height: 60px;
    font-weight: 500;
  }

  .entrance {
    width: 38px;
    position: fixed;
    top: 60%;
    right: 0%;
    height: 128px;
    box-shadow: 0 2px 12px rgba(42, 119, 246, 0.29);
    border-radius: 4px 0 0 4px;
    background-color: #fff;
  }
  .entrance img {
    display: block;
    width: 16px;
    height: 16px;
    line-height: 16px;
    margin: 16px 12px 0px 10px;
  }
  .entrance .txt {
    color: #333;
    display: block;
    width: 20px;
    height: 72px;
    line-height: 18px;
    margin: 8px 10px 0 8px;
    font-size: 14px;
    font-weight: 600;
  }
  .footer_box .phone {
    display: none !important;
  }
}
